NPPES file of Aug 9, 2026

Wallace J. Hayasaka, M.D.

Anesthesiology Physician · Bozeman, MT

Wallace J. Hayasaka, M.D. is an anesthesiology physician with a practice address in Bozeman, Montana, and NPI 1477538155, issued on Dec 14, 2005. Check the license (Montana 57767, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477538155
Name
Wallace J. Hayasaka
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
57767 MT
52953 AZ
38727 CO
Self-reported in NPPES; status is on the state search
Practice location
915 Highland Blvd, Bozeman, MT 59715
Phone
(602) 262-8900
Enumerated
Dec 14, 2005
Record last updated
Dec 15, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(602) 262-4132
Medicaid ID
26353580 CO
Medicare enrollment
Enrolled (PECOS I20170828004248); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 1996
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 915 Highland Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stephanie Abraham, M.D.Emergency Medicine Physician1306135785
  2. Adeola Adelayo, M.D.Child & Adolescent Psychiatry Physician1205996907
  3. Linda Altans, RPHPharmacist1912117748
  4. Kara Arvin, MDNeonatal-Perinatal Medicine Physician1083605976
  5. James Attarian, MDInternal Medicine Physician1144209198
  6. Michelle Bailey, RN, CS, FNPFamily Nurse Practitioner1134546781

Verify Wallace J. Hayasaka in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMontana Board of Medical Examiners
    Search for license 57767    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Montana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2 hospitals and group practices

  1. Billings ClinicBillings, MT · Acute Care Hospitals4 of 5 stars
  2. Gallatin Valley Anesthesia Associates PCBozeman, MT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Anesthesiology Physician providers in Montana

There are 227 anesthesiology physician records in Montana.

All 227 in Montana → Every provider in Bozeman →

Other anesthesiology physician records in Montana

  1. Sharon Akrep, MDGreat Falls, MT1700986213
  2. Deeann Allen, MDGreat Falls, MT1609975218
  3. George Allen, DOKalispell, MT1386987113
  4. Staci Allen, D.O.Whitefish, MT1639517519
  5. Lawrence Alvarado, MDBozeman, MT1184677981
  6. Jonathan Amick, D.O.Kalispell, MT1770786154
  7. Cordel Anderson, M.D.Missoula, MT1164710430
  8. Eric Anderson, MDGreat Falls, MT1851498810
  9. Jonathan Anderson, MDKalispell, MT1174634745
  10. Danae Aplas, MDButte, MT1144236498

Common questions

What is Wallace J. Hayasaka, M.D.'s NPI number?

Wallace J. Hayasaka, M.D.'s National Provider Identifier (NPI) is 1477538155, issued on Dec 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Wallace J. Hayasaka, M.D. located?

The NPPES record lists a practice address at 915 Highland Blvd, Bozeman, MT, 59715. Phone: (602) 262-8900. Providers update this record themselves, so call before visiting.

How can I verify Wallace J. Hayasaka, M.D.'s license?

NPPES lists Montana license number 57767, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.